/Engine/Source/Runtime/Sockets/Public/SocketSubsystem.h
This is a what you see is what you get, there is no DNS resolution of the input string, so only use this if you know you already have a valid address and will not need to convert. Otherwise, feed the address to GetAddressInfo for guaranteed results.
TheFInternetAddrof the given string address. This will point to nullptr on failure.
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FInternetAddr](API\Runtime\Sockets\FInternetAddr) > GetAddressFromString ( const [FString](API\Runtime\Core\Containers\FString) & InAddress )